Add 16/12 and 18/45
1st number: 1 4/12, 2nd number: 18/45
16/12 + 18/45 is 26/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
16/12 = 16 × 15/12 × 15 = 240/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
18/45 = 18 × 4/45 × 4 = 72/180 - Add the two like fractions:
240/180 + 72/180 = 240 + 72/180 = 312/180 - 312/180 simplified gives 26/15
- So, 16/12 + 18/45 = 26/15
In mixed form: 111/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/12+18/45 16/12+36/45 16/24+18/45 16/12+18/90 48/12+18/45 16/12+54/45 16/36+18/45 80/12+18/45 16/12+90/45 16/60+18/45 16/84+18/45